1982-1991 Porsche 944 Service Repair Workshop Manual

This is the COMPLETE Service and Repair Manual for the 1982-1991 Porsche 944 Service Repair Workshop Manual. It covers every single detail.

1982 to 1991 Porsche 944 Service Repair Workshop Manual PDF VEHICLE/EQUIPMENT INTRODUCTION: The Porsche 944 is a front engine rear wheel drive sports car manufactured by Porsche AG from 1982 to 1991. Designed to replace the Porsche 924, the 944 shared the same basic platform but featured an all new Porsche designed 2.5 liter inline four cylinder engine, wider body, and improved handling. The 944 was positioned between the entry level 924 and the flagship 911, offering a more affordable Porsche with genuine sports car performance and everyday usability. The 944 engine is a unique 2.5 liter DOHC inline four with a balanced shaft system that eliminates the vibration characteristics typical of inline four engines. Early models produced 143 HP in US specification, rising to 158 HP and eventually 228 HP in the Turbo models. The five speed manual transmission features a rear transaxle layout for near perfect front to rear weight distribution, with a rear transaxle. The 944 underwent several revisions during production including the introduction of the 944S with 16 valve head in 1987, the 944 Turbo in 1985, and the 944S2 with 3.0 liter engine in 1989. The Turbo and S2 models deliver performance figures close to the contemporary 911. SERVICE & REPAIR SCOPE: - Engine timing belt replacement procedure critical at 30000 mile intervals - Cylinder head service valve adjustment and camshaft inspection - Fuel injection system CIS and Motronic diagnostic procedures - Turbocharger service boost control and wastegate adjustment - Transmission removal and rear transaxle overhaul - Clutch replacement flywheel inspection and pilot bearing service - Suspension strut replacement and coil spring service - Rear transaxle mount and CV axle replacement - Brake system disc rotor replacement pad change and caliper rebuild - Electrical system wiring harness inspection relay diagnosis - Air conditioning compressor replacement and refrigerant service - Cooling system water pump thermostat and expansion tank service - Emission system oxygen sensor testing - Steering rack inspection and tie rod end replacement - Differential gear inspection and fluid service TECHNICAL SPECIFICATIONS: - Manufacturer: Porsche AG, Stuttgart Zuffenhausen, Germany - Model: 944 (1982 to 1991) - Engine: 2479 cc inline 4 cylinder SOHC, 16 valve option on 944S - Displacement: 2479 cc (2.5L) early and 2681 cc (3.0L) S2 - Power: 143 HP US early to 228 HP Turbo variant - Transmission: 5 speed manual rear transaxle, 3 speed auto optional - Suspension: Front MacPherson struts, rear semi trailing arms - Brakes: Ventilated disc brakes front and rear - Weight: Approximately 2800 lbs curb weight - Drive: Rear wheel drive DIAGNOSTIC INFORMATION: - Timing belt interval critical inspection of belt tensioner - Fuel pressure testing for CIS and Motronic systems - Turbo boost pressure testing for wastegate function - Suspension bushing wear and strut leak identification - Brake pad wear sensor circuit diagnosis - Air con

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